Refrigerator with built in step stool



FIG. 1 is a perspective view of a refrigerator with built-in step stool shown with the step stool in an un-retracted position showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof, the right side being a mirror image;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a back elevational view thereof. 

CLAIM The ornamental design for a refrigerator with built in step stool, as shown and described. 